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Another anecdote contributing to NCHRP's founding comes from the late 1950s when it was noted that 32 state DOTs were researching the same topic without any knowledge of each other’s work. This revelation provided incentive for the states to pool their resources on a national research program addressing common problems.
In the United States, impact attenuators are tested and classified according to AASHTO Manual for Assessing Safety Hardware (MASH), [13] first issued in 2016 to supersede National Cooperative Highway Research Program (NCHRP) Report 350: Recommended Procedures for the Safety Performance Evaluation of Highway Features (1993). [14]
Final report considered speed limit change induced a 3.5 km/h (2.2 mph) speed decrease and saved 349 lives during the two years which last 20 months [128] Spain (2019) Decrease speed from 100 to 90 km/h (62 to 56 mph) In Spain the year 2019 was the best year with the fewest people killed outside a built-up area.
A test case was brought by motoring pioneer John Henry Knight, who was subsequently convicted of using a locomotive without a licence. [6] The Locomotives on Highways Act 1896 lifted some of the restrictions introduced by the 1865 Act, notably raising the speed limit for "light locomotives" under 3 tonnes to 14 miles per hour (23 km/h).
The number of migrating Monarch butterflies sank to the lowest recorded population level in 2013–14, and there is an imminent risk of failed migration. [ 214 ] The U.S. General Services Administration (GSA) publishes sets of landscape performance requirements in its P100 documents, which mandate standards for the GSA's Public Buildings Service .
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[3] Recovery Level 2 (Yo-Yo IR2). This is a tougher version of "Recovery Level 1". It "determines an individual's ability to recover from repeated exercise with a high contribution from the anaerobic system. [3] " Endurance Level 1 (Yo-Yo IE1). This may be used to test participants in less vigorous sports that usually last longer.
350.org named the Keystone XL pipeline as a critical issue and turning point for the environmental movement, as well as for then-President Barack Obama's legacy. NASA climatologist James Hansen labeled the Keystone XL pipeline as "game over" for the planet and called the amount of carbon stored in Canadian bitumen sands a "fuse to the largest carbon bomb on the planet".